Answer:

divides

Answer	Crossword Clue
DIVIDES	Alienates
DIVIDES	Splits up
DIVIDES	Causes to disagree.

DIVIDES	Mountain ridges.
DIVIDES	Watersheds.
DIVIDES	Halves
DIVIDES	Partitions

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.